Portion of a display screen with a user interface



A portion of the disclosure of this patent document contains material to which a claim for copyright is made. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but reserves all other copyright rights whatsoever.

The single FIGURE illustrates the front view of the portion of a display screen with a user interface of our new design.

The broken line showing of the display screen and the broken line showing of the user interface are included for the purpose of illustrating unclaimed environment and form no part of the claimed design. 

CLAIM The ornamental design for a portion of a display screen with a user interface, as shown and described. 